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<?php
/**
* TActiveRecordCriteria class file.
*
* @author Wei Zhuo <weizhuo[at]gmail[dot]com>
* @link http://www.pradosoft.com/
* @copyright Copyright © 2005-2007 PradoSoft
* @license http://www.pradosoft.com/license/
* @version $Id$
* @package System.Data.ActiveRecord
*/
/**
* Search criteria for Active Record.
*
* Criteria object for active record finder methods. Usage:
* <code>
* $criteria = new TActiveRecordCriteria;
* $criteria->Condition = 'username = :name AND password = :pass';
* $criteria->Parameters[':name'] = 'admin';
* $criteria->Parameters[':pass'] = 'prado';
* $criteria->OrdersBy['level'] = 'desc';
* $criteria->OrdersBy['name'] = 'asc';
* $criteria->Limit = 10;
* $criteria->Offset = 20;
* </code>
*
* @author Wei Zhuo <weizho[at]gmail[dot]com>
* @version $Id$
* @package System.Data.ActiveRecord
* @since 3.1
*/
class TActiveRecordCriteria extends TComponent
{
private $_condition;
private $_parameters;
private $_ordersBy;
private $_limit;
private $_offset;
/**
* Creates a new criteria with given condition;
*/
public function __construct($condition=null,$parameters=array())
{
$this->setCondition($condition);
$this->_parameters=new TAttributeCollection((array)$parameters);
$this->_ordersBy=new TAttributeCollection;
}
/**
* @return TAttributeCollection list of named parameters and values.
*/
public function getParameters()
{
return $this->_parameters;
}
/**
* @param ArrayAccess named parameters.
*/
public function setParameters($value)
{
if(!(is_array($value) || $value instanceof ArrayAccess))
throw new TException('value must be array or ArrayAccess');
$this->_parameters->copyFrom($value);
}
/**
* @return boolean true if the parameter index are string base, false otherwise.
*/
public function getIsNamedParameters()
{
foreach($this->getParameters() as $k=>$v)
return is_string($k);
}
/**
* @return TAttributeCollection ordering clause.
*/
public function getOrdersBy()
{
return $this->_ordersBy;
}
/**
* @param ArrayAccess ordering clause.
*/
public function setOrdersBy($value)
{
if(!(is_array($value) || $value instanceof ArrayAccess))
throw new TException('value must be array or ArrayAccess');
$this->_ordersBy->copyFrom($value);
}
/**
* @return string search conditions.
*/
public function getCondition()
{
return $this->_condition;
}
/**
* Sets the search conditions to be placed after the WHERE clause in the SQL.
* @param string search conditions.
*/
public function setCondition($value)
{
$this->_condition=$value;
}
/**
* @return int maximum number of records to return.
*/
public function getLimit()
{
return $this->_limit;
}
/**
* @param int maximum number of records to return.
*/
public function setLimit($value)
{
$this->_limit=$value;
}
/**
* @return int record offset.
*/
public function getOffset()
{
return $this->_offset;
}
/**
* @param int record offset.
*/
public function setOffset($value)
{
$this->_offset=$value;
}
}
?>
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